FreeBSD 10 reboots every day at 4:00 am

[clutton]

On Tue, 2014-02-25 at 19:21 +0100, Philipp Schmid wrote:
> Hello,
> 
> I have a problem with my FreeBSD 10 installation.
> It reboots or crashes everyday at around 4:00 am.
> 
> The last log entry in /var/logs/all.log is:
> 
> Feb 25 04:00:00 rna /usr/sbin/cron[14974]: (root) CMD (/usr/libexec/atrun)
> Feb 25 04:01:00 rna /usr/sbin/cron[14996]: (root) CMD (adjkerntz -a)
> Feb 25 08:50:12 rna syslogd: restart
> Feb 25 08:50:12 rna syslogd: kernel boot file is /boot/kernel/kernel
> 
> I already tried manually running adjkerntz -a to see if that is the problem, but that does not seem to be the case as the command runs fine.
> 
> The setup uses ZFS on an ecrypted geli device and swap is on a graid mirror on top of a encrypted geli device, so the kernel cannot write a kernel crash dump.
> 
> Is a reboot the normal behaviour if the kernel crashes?
> Can I reconfigure it somehow to stop on a crash and print some debug information to the console?
> 
> I’m relatively new to FreeBSD and would be happy for any pointers in the right direction on how to find the cause of the reboot.
> 
> Thank you,
> 
> 	Philipp
> 
> 

Try to run:
periodic daily
check your system crontab file, and users crontab files.
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